Keysight DAQ970A Service Manual

Data acquisition system

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User manual (232 pages)

Table Of Contents

Table of Contents

Software Revision
Safety Considerations
Environmental Conditions
Regulatory Information
Safety Symbols and Regulatory Markings
South Korean Class a EMC Declaration
Waste Electrical and Electronic Equipment (WEEE) Directive
Product Category
Sales and Technical Support
Table of Contents
Service and Repair
General Information
Types of Service Available
Keysight Unit Exchange
Repackaging for Shipment
Cleaning
Electrostatic Discharge (ESD) Precautions
User Replaceable Parts
Specifications and Characteristics
Troubleshooting
Operating Checklist
General Troubleshooting Hints
Self-Test Procedures
Power-On Self-Test
Full Self-Test
Plug-In Module Self-Test
Self-Test Duration
Battery Check and Replacement
To Verify or Replace the Battery
Disassembly
General Disassembly
Internal DMM Disassembly
Front Panel Disassembly
Additional Chassis Disassembly
Calibration Procedures
Keysight Technologies Calibration Service
Calibration Interval
Adjustment Is Recommended
Time Required for Calibration
Automating Calibration Procedures
Recommended Test Equipment
Input Connections
Short (Zero)
Input Test Signal
Calibration Security
To Unsecure for Calibration
To Secure against Calibration
To Change the Security Code
To Unsecure the Instrument Without the Security Code
Calibration Message
Calibration Count
Recommended Calibration Procedure
Aborting a Calibration in Progress
Calibration Actions
Entering Calibration Values
Storing Calibration Constants
Test Considerations
Environmental Conditions
Calibrator Setup
Channel Delay
Channel Monitor
Calibration Adjustment Sequence
Internal DMM Adjustments
Zero Adjustment
Zero and ADC Calibration
AC Zero Calibration
Capacitance Zero Calibration
Gain Adjustment
Gain and Flatness Adjustment Considerations
Valid Gain Adjustment Input Values
AC Voltage Low Frequency Gain and Flatness Calibration
AC Voltage Gain and Flatness Calibration
AC Current Gain and Flatness Calibration
Frequency Accuracy Calibration
DC Voltage Gain Calibration (~10 V)
Ohms Gain Calibration (2-Wire and 4-Wire)
DC Current Gain Calibration
DC High Voltage Gain Calibration (¡100 V)
Performance Verification
Quick Performance Check
Performance Verification Tests
Internal DMM Verification Tests
Zero Offset Verification
Gain Verification
Plug-In Module Test Considerations
Relay Verification
DAQM900A Solid State Relay On-Resistance Verification (Optional)
DAQM901A Relay Contact Resistance Verification (Optional)
DAQM901A Shorted Relay Contact Verification
DAQM902A Relay Contact Resistance Verification (Optional)
DAQM902A Shorted Relay Contact Verification
DAQM903A Relay Contact Resistance Verification (Optional)
DAQM903A Shorted Relay Contact Verification
DAQM904A Relay Contact Resistance Verification (Optional)
DAQM904A Shorted Relay Contact Verification
DAQM905A Relay Verification (Optional)
DAQM908A Relay Contact Resistance Verification (Optional)
DAQM908A Shorted Relay Contact Verification
DAQM907A Analog Output Verification (Optional)
DAQM907A Analog Sense Inputs Verification (Optional)
Thermocouple Reference Junction Verification (Optional)
DAQM909A DC/AC Coupling Verification (Optional)

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1 Specifications and Characteristics
2 Calibration Procedures
3 Performance Verification
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Keysight DAQ970A/DAQ973A

Data Acquisition System

Service Guide

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Keysight DAQ970A Service Manual

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